Not able to start the nGrinder monitor 3.5.9 on MacOS

[FrancoisTsague]

I'm not able to start the nGrinder Monitor on my MacOs because of a NoClassDefFoundError.

00:26:36.493 [main] INFO agent config - Overwrite the existing agent.conf with __agent.conf
Exception in thread "main" java.lang.NoClassDefFoundError: oshi/SystemInfo
at org.ngrinder.common.util.SystemInfoUtils.(SystemInfoUtils.java:55)
at org.ngrinder.NGrinderAgentStarter.checkDuplicatedRun(NGrinderAgentStarter.java:279)
at org.ngrinder.NGrinderAgentStarter.main(NGrinderAgentStarter.java:207)
Caused by: java.lang.ClassNotFoundException: oshi.SystemInfo
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:527)
... 3 more